Floor and ceiling beam.



J. W. VAUGHAN. FLOOR AND CEILING BEAM.

APPLIOATION FILED OUT. 11, 1909.

960,740. Patented June 7, 191.0.

WITNESSES:

IN VEN TOR 6. JAY WVAUG QA A TTORNE VS JAY W. VAUGHAN, OF CHICAGO,ILLINOIS. I

rLoon AND. CEILING BEAM.

Specification of letters Patent.

Patented June 7, 1910.

3 Application filed October 11, 1909. Serial No. 522,052.

To all whom it may concern."

Be 't known that I, JAY W. VAUGHAN, a citizen of the United States-ofAmerica, residing at Chicago, in the countyof Cook and State ofIllinois, have invented certain new and useful Improvements in Floor andCeiling Beams, of which the following is a specification, referencebeing bad therein to the accompanying drawings. a

In floor and ceilingeonstruction of the.

concrete type, it is usual to mold the floor in place between beams orjoists, supporting it until set by more or less expensive false work andsecuring tile thereto for the ceiling, or else to form the floor andceiling in blocks which are supported on floor beams or joists in theusual manner.

This invention relates to a concrete floor and ceiling which obviatesthe necessity of false work or of floor beams and joists and isconstructed cfthe parts or members that may be molded at the place wherethe structure is being erected.

The invention consists in the matters hereinafter set forth, and moreparticularly pointed out in the appended claims.

In the drawings, Figure 1 is a view in perspective of a portion of afloor construction that embodies features of the invention; and Fig. .2is a view'in detail of one of the members. Fig. is a view of amodification of a beam; Fig. 4 is a View in cross section of am showinga reinforcing member.

-Rcicrring to the drawings a beam 1 of ccmentitious material ofsuflicicnt length and depth to span ribbons, plates, or other horizontalsupporting members of a structural frame, has an upper horizontal flange2 with plane upper face and a lower cross flange 4; whose under face ,isplane, united by an upright web 5, the upper flange being heavy enoughto carry a floor load while the lower is of suflicient strength for aceiling. The margin (5 of one side of the lower flan 'e and thecorresponding margin 7 of t e upper flange lie in planes that intersectin a. horizontal central plane of the web of the beam and, similarly,the margins 8 and 9 of the lower and up er flanges respectively, areparallel to the hinges (3 and 'T anddie in planes that intersect in thesame horizontal plane. By this arrangement of parts beams which areplaced side by side are sufliciently interlocked so that concentrationof the load on the edge of one flange causes the strain imposed on theflange to be carried on to the adjoining beam. The interlocking facesare so disposed that there are no tongues or margins to break off.

An inset strip 10 may be dovetailed or otherwise scoured flush in theupper face of the beam for the attachment or nalling down of floorboards 11.

Reinforcing members 12 are embedded in any preferred manner in the bodyof the beam, and the web is preferably provided with longitudinallydisposed tension. members or rods 14. l at I claim as my invention is l.A reinforced floor and ceiling beam, of cementitious material providedwith oppo sitely disposed lateral flanges on the'upper and lower marginsof a central web, the mar gins of the flanges on the same side of theweb lying in planes that intersect in the horizontal central planeof theweb, and are oblique thereto.

2. A reinforced floor and ceiling beam of cementitious'material having acentral web rectangular in cross-section, a pair of o positely disposedflanges whose upper aces form with the upper face of the web a planesurface at right angles to the sides of the web and whose under facesare oblique thereto, and a air of oppositely disposed flanges whose ldwcr faces form with the lower face of the web a-plane surface at rightangles to the sides of the web and whose upper faces are obliquethereto, the lateral faces of the air of flanges on one side of the weblying in planes oblique to the .wcb side which planes intersect in aline between the prox mate faces of the flanges, and the correspondingfaces of the opposite flanges lying in planes parallel to said obliqueplanes. I

3. A reinforced floor and ceiling beam of ccnicntitious material havinga central web rectangular in cross-section, a pair of o positelydisposed flanges whose upper aces form with the upper face of the web aplane surface at right angles to the sides of the web and whose underfaces are oblique thereto, and a pair of oppositely disposed flangeswhose lower faces form with the lower. face of the web a plane surfaceat right angles to the sides of the web and whose u p'er faces areoblique thereto, the lateral f zices of the pair of flanges on one sideof the web lying in lanes oblique to the web side which planes intersectin a line between the proximate faces of the flanges,

the corresponding faces of the opposite flanges lying in planes parallelto said oblique planes, and the upper flanges being thicker than thelower flanges.

4. A reinforced floor and ceiling beam of cementitious material providedwith oppositely disposed lateral flanges on the upper and lower marginsof a central web, the margins of the flanges on the same side of the weblying in planes that intersect in the horizontal central plane of theweb, and are oblique thereto, the planes of the margins on one side ofthe web being parallel with the planes of the corresponding margins onthe other side of the web.

5. A reinforced floor and ceiling beam of cementitious material providedwith oppositely disposed lateral flanges on the upper and lower marginsof a central web, the margins of the flanges on one side of thewcb lyingin planes that intersect in a line between the margins and the web, andthe margins of the flanges on the other side of the web lying in planesthat intersect in a line beyond the outer edges of the margins.

6. A reinforced floor and ceilin beam of cementitious material providedwith oppositely disposed lateral flanges on the upper.

the outer edges of the margins, the. planes of the margins on one sideof the web being parallel with the planes ofthe corresponding margins onthe other side of the web.

In testimony whereof I aflix my signature in presence of two witnesses.

JAY W. VAUGHAN.

- \Vitnesses:

Mmon ll. lVILLIAMsON, C. It. S'rwKNEr.

